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30 November 1897|
|Died||21 April 1945
|Allegiance|| German Empire
Nazi Germany (to 1945)
|Years of service||1914–45|
|Rank||General der Panzertruppe|
|Commands held||5th Panzer Division
XXXIX Panzer Korps
World War II
|Awards||Knight's Cross of the Iron Cross with Oak Leaves|
Karl Decker (30 November 1897 – 21 April 1945) was a general in the Wehrmacht of Nazi Germany during World War II who committed suicide in the Ruhr Pocket on 21 April 1945. He was a recipient of the Knight's Cross of the Iron Cross with Oak Leaves.
Karl Decker was born on 30 November 1897 as son to an officer in Borntin in Pomerania. He joined the military service on 3 August 1914. He was promoted to an officer candidate for bravery before the enemy and also was awarded the Iron Cross (1914) 2nd Class. Decker was again promoted in 1915 to Leutnant and shortly afterwards received the Iron Cross 1st Class. He then served as Zugführer (platoon leader) of a machine gun unit after he was transferred to the Feldkriegsschule[clarification needed] of the German 8th Army in 1916. He then held the position of battalion adjutant. During 1918, he was assigned to the Infantry School in Döberitz as a weapons instructor.
After the capitulation of the German Empire, Decker was accepted into the Reichswehr and served with the 29th Reserve Jäger Regiment, the 5th Jäger Regiment and the 6th cavalry Regiment. He was promoted to Oberleutnant and Hauptmann during these assignments. As a major, he was transferred to the staff of the 5th Cavalry Regiment together with Horst Niemack. Shortly afterwards, he was reassigned again, this time to the 38th Armoured Detachment in Mühlhausen. He later became the commanding officer of this unit.
This unit was subordinated to the 2nd Panzer division during the Invasion of Poland and fought under the command of Decker near Kraków and the Jablonka Pass. During the Battle of France, Decker commanded a battalion of the 3rd Panzer regiment in the 2nd Panzer division. This unit fought at the Maas, near Sedan, St. Quentin and Abbeville.
In Balkans Campaign, his regiment fought in Yugoslavia, northern Greece, occupied Athens and crossed the Corinth Canal. Decker was put in command of 3rd Panzer regiment before Operation Barbarossa began. In the spring of 1942, he was transferred to the staff of the 9th Army. In April 1943, he appointed commander of the 5th Panzer Division. He received the Oak Leaves to the Knight's Cross on 4 May 1944 and promoted to Generalleutnant.
Decker was appointed commander of the XXXIX Panzer Corps that was attached to the 3rd Panzer Army and promoted to General der Panzertruppe on 1 January 1945. After his unit was relocated to the Western Front, his corps fought the Americans at Uelzen and in the Alsace. Here the 5th Panzer Army was subordinated to Army Group B. Decker committed suicide on 21 April 1945 after the defeat and encirclement of the Army Group in the Ruhr Pocket in April.
- Iron Cross (1914) 2nd Class (22 June 1915) & 1st Class (1 November 1916)
- Hanseatic Cross of Hamburg (20 December 1917)
- Wehrmacht Long Service Award 2nd Class (2 October 1936) & 1st Class (3 August 1939)
- Clasp to the Iron Cross (1939) 2nd Class (27 September 1939) & 1st Class (20 November 1939)
- Wound Badge (1939) in Black (26 June 1940)
- Eastern Front Medal (15 July 1942)
- Panzer Badge in Bronze (2 November 1943)
- German Cross in Gold on 1 August 1942 as Oberst in the Panzer-Regiment 3
- Knight's Cross of the Iron Cross with Oak Leaves and Swords
- Knight's Cross on 13 June 1941 and Oberstleutnant and commander of the I./Panzer-Regiment 3
- Oak Leaves on 4 May 1944 as Generalmajor and commander of the 5. Panzer-Division
- Swords on 26 April 1945 (posthumous) as General der Panzertruppe and commanding general of the XXXIX. Panzerkorps[Note 1]
- Mentioned four times in the Wehrmachtbericht on 11 December 1943, 2 March 1944, 5 August 1944 and 12 October 1944
- Berger, Florian (1999). Mit Eichenlaub und Schwertern. Die höchstdekorierten Soldaten des Zweiten Weltkrieges [With Oak Leaves and Swords. The Highest Decorated Soldiers of the Second World War] (in German). Vienna, Austria: Selbstverlag Florian Berger. ISBN 978-3-9501307-0-6.
- Patzwall, Klaus D.; Scherzer, Veit (2001). Das Deutsche Kreuz 1941 – 1945 Geschichte und Inhaber Band II [The German Cross 1941 – 1945 History and Recipients Volume 2] (in German). Norderstedt, Germany: Verlag Klaus D. Patzwall. ISBN 978-3-931533-45-8.
- Scherzer, Veit (2007). Die Ritterkreuzträger 1939–1945 Die Inhaber des Ritterkreuzes des Eisernen Kreuzes 1939 von Heer, Luftwaffe, Kriegsmarine, Waffen-SS, Volkssturm sowie mit Deutschland verbündeter Streitkräfte nach den Unterlagen des Bundesarchives [The Knight's Cross Bearers 1939–1945 The Holders of the Knight's Cross of the Iron Cross 1939 by Army, Air Force, Navy, Waffen-SS, Volkssturm and Allied Forces with Germany According to the Documents of the Federal Archives] (in German). Jena, Germany: Scherzers Militaer-Verlag. ISBN 978-3-938845-17-2.
- Wegmann, Günter (2004). Die Ritterkreuzträger der Deutschen Wehrmacht 1939–1945 Teil VIIIa: Panzertruppe Band 1: A–E [The Knight's Cross Bearers of the German Wehrmacht 1939–1945 Part VIIIa: Panzer Force Volume 1: A–E] (in German). Bissendorf, Germany: Biblio-Verlag. ISBN 978-3-7648-2322-1.
- Die Wehrmachtberichte 1939–1945 Band 2, 1. Januar 1942 bis 31. Dezember 1943 [The Wehrmacht Reports 1939–1945 Volume 2, 1 January 1942 to 31 December 1943] (in German). München, Germany: Deutscher Taschenbuch Verlag GmbH & Co. KG. 1985. ISBN 978-3-423-05944-2.
- Die Wehrmachtberichte 1939–1945 Band 3, 1. Januar 1944 bis 9. Mai 1945 [The Wehrmacht Reports 1939–1945 Volume 3, 1 January 1944 to 9 May 1945] (in German). München, Germany: Deutscher Taschenbuch Verlag GmbH & Co. KG. 1985. ISBN 978-3-423-05944-2.
Generalleutnant Ernst Felix Fäckenstedt
|Commander of 5. Panzer-Division
7 September 1943 – 16 October 1944
Generalmajor Rolf Lippert
General der Panzertruppe Dietrich von Saucken
|Commander of XXXIX. Panzer-Korps
15 October 1944 – 21 April 1945
Generalleutnant Karl Arndt